diff options
author | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
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committer | Nick Brassel <nick@tzarc.org> | 2021-08-29 08:20:25 +1000 |
commit | f061ca497464fe85284906fb163a33eaee7a91ef (patch) | |
tree | 33ef1bfb529aed382e8526c607c4e18717f92571 /drivers/sensors/adns5050.h | |
parent | ff65185dec6f97be1eb49f17cea526a0d0bbf3d6 (diff) | |
parent | 4bad375d7c09d949a9dcdd4feba147c9c7a67ec6 (diff) |
Breaking changes develop merge to master, 2021Q3 edition. (#14196)
Diffstat (limited to 'drivers/sensors/adns5050.h')
-rw-r--r-- | drivers/sensors/adns5050.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/sensors/adns5050.h b/drivers/sensors/adns5050.h new file mode 100644 index 0000000000..ff8e8f78e9 --- /dev/null +++ b/drivers/sensors/adns5050.h @@ -0,0 +1,79 @@ +/* Copyright 2021 Colin Lam (Ploopy Corporation) + * Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com> + * Copyright 2019 Sunjun Kim + * Copyright 2019 Hiroyuki Okada + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +#include <stdbool.h> + +// Registers +#define REG_PRODUCT_ID 0x00 +#define REG_REVISION_ID 0x01 +#define REG_MOTION 0x02 +#define REG_DELTA_X 0x03 +#define REG_DELTA_Y 0x04 +#define REG_SQUAL 0x05 +#define REG_SHUTTER_UPPER 0x06 +#define REG_SHUTTER_LOWER 0x07 +#define REG_MAXIMUM_PIXEL 0x08 +#define REG_PIXEL_SUM 0x09 +#define REG_MINIMUM_PIXEL 0x0a +#define REG_PIXEL_GRAB 0x0b +#define REG_MOUSE_CONTROL 0x0d +#define REG_MOUSE_CONTROL2 0x19 +#define REG_LED_DC_MODE 0x22 +#define REG_CHIP_RESET 0x3a +#define REG_PRODUCT_ID2 0x3e +#define REG_INV_REV_ID 0x3f +#define REG_MOTION_BURST 0x63 + +// CPI values +#define CPI125 0x11 +#define CPI250 0x12 +#define CPI375 0x13 +#define CPI500 0x14 +#define CPI625 0x15 +#define CPI750 0x16 +#define CPI875 0x17 +#define CPI1000 0x18 +#define CPI1125 0x19 +#define CPI1250 0x1a +#define CPI1375 0x1b + +#ifdef CONSOLE_ENABLE +void print_byte(uint8_t byte); +#endif + +typedef struct { + int8_t dx; + int8_t dy; +} report_adns_t; + +// A bunch of functions to implement the ADNS5050-specific serial protocol. +// Note that the "serial.h" driver is insufficient, because it does not +// manually manipulate a serial clock signal. +void adns_init(void); +void adns_sync(void); +uint8_t adns_serial_read(void); +void adns_serial_write(uint8_t data); +uint8_t adns_read_reg(uint8_t reg_addr); +void adns_write_reg(uint8_t reg_addr, uint8_t data); +report_adns_t adns_read_burst(void); +int8_t convert_twoscomp(uint8_t data); +void adns_set_cpi(uint8_t cpi); +bool adns_check_signature(void); |